Primary agricultural ... nature or from the primary sector. Secondary agricultural goods are treated products and preparations from primary agricultural goods. Together, these form the main definition ...

There are four main types of industry: primary, secondary, tertiary ... Industries in this sector turn raw materials from the primary sector into a manufactured product. Examples of a secondary ...

The tertiary sector includes the selling of the goods that have been produced in the primary ... examples of hard and soft engineering techniques. Glaciation. videoGlaciation A short film for ...